Military Wiki
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{|{{Infobox Aircraft Begin
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{|{{Infobox aircraft begin
 
|name=XNQ-1/T-31
 
|name=XNQ-1/T-31
 
|image=Fairchild XNQ-1.jpg
 
|image=Fairchild XNQ-1.jpg
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==Design and development==
 
==Design and development==
Before 1947, the Navy had always used slightly modified versions of Air Force aircraft. Designed by Fairchild Aircraft as a replacement for current primary trainers, the XNQ-1 was the fastest primary trainer to date. The '''Model M-92''' featured a controllable pitch propeller, flaps, electronically operated retractable landing gear and all-metal skin with fabric-covered rudder, ailerons and elevators.
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Before 1947, the Navy had always used slightly modified versions of Air Force aircraft. Designed by Fairchild Aircraft as a replacement for current primary trainers, the XNQ-1 was the fastest primary trainer to date. The '''Model M-92''' featured a controllable pitch propeller, flaps, electronically operated retractable landing gear and all-metal skin with fabric-covered rudder, ailerons and elevators.
 
 
Its unobstructed, one-piece bubble canopy provided instructors and students seated in tandem with all-round visibility, and its cockpit instruments were arranged to match those found in a 600 mph jet fighter or a 5,000-mile, long-range patrol plane. To help students recognize the instruments, the landing gear handle was in the shape of a tiny landing gear wheel, and the flap handle was shaped like the airfoil of a flap.
 
Its unobstructed, one-piece bubble canopy provided instructors and students seated in tandem with all-round visibility, and its cockpit instruments were arranged to match those found in a 600 mph jet fighter or a 5,000-mile, long-range patrol plane. To help students recognize the instruments, the landing gear handle was in the shape of a tiny landing gear wheel, and the flap handle was shaped like the airfoil of a flap.
   
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|span ft=40
 
|span in=8
 
|span in=8
|dia m=<!-- helicopters -->
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|dia m=
|dia ft=<!-- helicopters -->
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|dia ft=
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|dia in=
 
|height m=2.7
 
|height m=2.7
 
|height ft=8
 
|height ft=8
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|wing area sqm=
 
|wing area sqm=
 
|wing area sqft=
 
|wing area sqft=
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|rot area sqft=<!-- helicopters -->
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|rot area sqft=
|aspect ratio=<!-- sailplanes -->
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|empty weight kg=1,338
 
|empty weight kg=1,338
 
|empty weight lb=2,974
 
|empty weight lb=2,974
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|eng1 number=1
 
|eng1 number=1
 
|eng1 type=[[Lycoming R-680]]-13 radial
 
|eng1 type=[[Lycoming R-680]]-13 radial
|eng1 kw=<!-- prop engines -->238
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|eng1 kw=238
|eng1 hp=<!-- prop engines -->320
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|eng1 hp=320
|eng1 kn=<!-- jet/rocket engines -->
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|eng1 kn=
|eng1 lbf=<!-- jet/rocket engines -->
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|eng1 lbf=
|eng1 kn-ab=<!-- afterburners -->
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|eng1 kn-ab=
|eng1 lbf-ab=<!-- afterburners -->
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|eng1 lbf-ab=
 
|eng2 number=
 
|eng2 number=
 
|eng2 type=
 
|eng2 type=
|eng2 kw=<!-- prop engines -->
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|eng2 kw=
|eng2 hp=<!-- prop engines -->
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|eng2 hp=
|eng2 kn=<!-- jet/rocket engines -->
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|eng2 kn=
|eng2 lbf=<!-- jet/rocket engines -->
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|eng2 lbf=
|eng2 kn-ab=<!-- afterburners -->
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|eng2 kn-ab=
|eng2 lbf-ab=<!-- afterburners -->
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|eng2 lbf-ab=
 
|max speed kmh=282
 
|max speed kmh=282
 
|max speed mph=175
 
|max speed mph=175
 
|max speed mach=<!-- for supersonic aircraft -->
 
|max speed mach=<!-- for supersonic aircraft -->
|cruise speed kmh=<!-- if max speed unknown -->
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|cruise speed kmh=
|cruise speed mph=<!-- if max speed unknown -->
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|cruise speed mph=
 
|range km=1,537
 
|range km=1,537
 
|range miles=955
 
|range miles=955
|endurance h=<!-- if range unknown -->
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|endurance h=
|endurance min=<!-- if range unknown -->
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|endurance min=
 
|ceiling m=4,880
 
|ceiling m=4,880
 
|ceiling ft=16,000
 
|ceiling ft=16,000
|glide ratio=<!-- sailplanes -->
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|glide ratio=
 
|climb rate ms=
 
|climb rate ms=
 
|climb rate ftmin=
 
|climb rate ftmin=
|sink rate ms=<!-- sailplanes -->
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|sink rate ms=
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|armament1=
 
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|armament2=
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{{USAF trainer aircraft}}
 
{{USAF trainer aircraft}}
 
{{USN trainer aircraft}}
 
{{USN trainer aircraft}}
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{{Wikipedia|Fairchild XNQ}}
 
{{Wikipedia|Fairchild XNQ}}
   
 
[[Category:Fairchild aircraft|N1Q]]
 
[[Category:Fairchild aircraft|N1Q]]
[[Category:United States military trainer aircraft 1940–1949]]
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[[Category:1940s United States military trainer aircraft]]
 
[[Category:Single-engine aircraft]]
 
[[Category:Single-engine aircraft]]

Latest revision as of 02:40, 30 January 2020

XNQ-1/T-31
Fairchild XNQ-1
Fairchild XNQ-1 tested as the T-31
Role Primary trainer
Manufacturer Fairchild
First flight 7 October 1946
Number built 2
Fairchild XNQ N5726

Fairchild XNQ at Airventure 2009, Oshkosh, Wisconsin

The Fairchild XNQ (T-31) (Model M-92) was an American trainer designed as a standard primary trainer for the U.S. Air Force during the 1950s. If the Fairchild XNQ had gone into production in its T-31 guise, it would have been the first United States Navy-designed airplane used as a standard primary trainer for the U.S. Air Force.

Design and development

Before 1947, the Navy had always used slightly modified versions of Air Force aircraft. Designed by Fairchild Aircraft as a replacement for current primary trainers, the XNQ-1 was the fastest primary trainer to date. The Model M-92 featured a controllable pitch propeller, flaps, electronically operated retractable landing gear and all-metal skin with fabric-covered rudder, ailerons and elevators. Its unobstructed, one-piece bubble canopy provided instructors and students seated in tandem with all-round visibility, and its cockpit instruments were arranged to match those found in a 600 mph jet fighter or a 5,000-mile, long-range patrol plane. To help students recognize the instruments, the landing gear handle was in the shape of a tiny landing gear wheel, and the flap handle was shaped like the airfoil of a flap.

Operational history

The XNQ-1 basic/advanced trainer was developed for the U.S. Navy and was first flown by Richard Henson on 7 October 1946. Two prototypes were flown as XNQ-1 [75725/75726]. Delivered to the U.S. Navy in 1947 for trials, they were rejected. Tests had revealed problems with exhaust fumes leaking back into the cockpit. The first prototype was subsequently to receive a number of engine upgrades, first powered with 320 hp Lycoming R-680-13, then finally with an inline 350 hp Lycoming GSO-580. The aircraft was destroyed in a crash in 1950.

The second aircraft (BuNo. 75726) with a larger stabilizer was evaluated by the USAF in 1949 as a replacement for the AT-6, being selected on 24 March 1949 as a primary trainer. Designed to be acrobatic to teach pilots basic maneuvers, such as stalls, spins, rolls and dive pullouts, Fairchild received a contract for 100 aircraft as the model 129, USAF designation T-31. However, the order was cancelled later in 1949, in favor of the Beech T-34 Mentor.

Fairchild dropped plans to develop the design as the company concentrated on other production contracts, including the Fairchild C-119. The second aircraft, privately owned, was still on the civil register on 15 January 2006[1] and is airworthy.

Specifications

General characteristics

  • Crew: two, pilot and instructor
  • Length: 8.3 m (27 ft 3 in)
  • Wingspan: 12.4 m (40 ft 8 in)
  • Height: 2.7 m (8 ft 10 in)
  • Empty weight: 1,338 kg (2,974 lb)
  • Gross weight: 1,754 kg (3,898 lb)
  • Powerplant: 1 × Lycoming R-680-13 radial, 238 kW (320 hp)

Performance

  • Maximum speed: 282 km/h (175 mph)
  • Range: 1,537 km (955 miles)
  • Service ceiling: 4,880 m (16,000 ft)

See also

References

Notes
  1. "Antique Attic". Atlantic Flyer, June 2006.
Bibliography
  • Green, William and Gerald Pollinger. The Aircraft of the World. London: Macdonald, 1955.

External links

All or a portion of this article consists of text from Wikipedia, and is therefore Creative Commons Licensed under GFDL.
The original article can be found at Fairchild XNQ and the edit history here.